:root {
    --primary: #3498db;
    --dark: #2c3e50;
    --light: #ecf0f1;
    --accent: #e74c3c;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f9f9f9;
    color: #333;
    line-height: 1.6;
    padding-top: 80px;
}

section {
    padding: 20px;
    margin-bottom: 30px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    width: 100%;
    height: 50px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    background: var(--primary);
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar.scrolled {
    background: var(--dark);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 40px;
}

.brand {
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-link {
    display: flex;
    list-style: none;
}

.nav-link li {
    margin-left: 20px;
}

.nav-link a {
    color: white;
    text-decoration: none;
    padding: 10px 0;
    transition: var(--transition);
    font-weight: 500;
}

.nav-link a:hover {
    color: var(--accent);
}

/* Biodata */
.profile-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 30px;
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.profile-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--light);
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    margin-right: 30px;
    transition: var(--transition);
}

.profile-info {
    flex: 1;
    min-width: 250px;
}

.profile-info h1 {
    color: var(--dark);
    margin-bottom: 10px;
    font-size: 2rem;
}

.section-title {
    text-align: center;
    margin-bottom: 30px;
    color: var(--dark);
    position: relative;
    padding-bottom: 10px;
}

.section-title::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 3px;
    background: var(--primary);
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.education-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.education-table th,
.education-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--light);
}

.education-table th {
    background-color: var(--primary);
    color: white;
}

.Pendidikan-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 25px;
    margin-bottom: 20px;
    transition: var(--transition);
}

.Pendidikan-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Footer */
footer {
    background-color: var(--dark);
    color: white;
    padding: 20px 0;
    text-align: center;
    margin-top: 50px;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-icon img {
    width: 24px;
    height: 24px;
    transition: var(--transition);
    opacity: 0.8;
}

.social-icon:hover img {
    transform: scale(1.2);
    opacity: 1;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    cursor: pointer;
    padding: 10px;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 5px 0;
    transition: var(--transition);
}

/* Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: block;
    }
    .profile-card {
        flex-direction: column;
        text-align: center;
    }

    .profile-img {
        margin-right: 0;
        margin-bottom: 20px;
    }

    .nav-link {
        display: none;
        flex-direction: column;
        position: fixed;
        top: 50px;
        left: 0;
        width: 100%;
        background: var(--dark);
        padding: 20px;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }
    
    .nav-link.active {
        display: flex;
    }
    
    .nav-link li {
        margin: 10px 0;
    }
}

.footer-text {
    margin-top: 15px;
    font-size: 0.9rem;
    color: var(--light);
    opacity: 0.7;
}

@media (max-width: 480px) {
    .brand {
        font-size: 1.2rem;
    }
    .social-links {
        gap: 15px;
    }
}